<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .left {
            width: 400px;
            height: 50px;
            background: #dc3a3a;
            float: left;
        }
        .right {
            width: 300px;
            height: 50px;
            background: #ece507;
            float: right;
        }

        .search{
            text-align: center;
        }
        img {
            display: block;
            width: 300px;
            margin: 0 auto;
        }
    </style>
</head>
<body>
    <div class="page">
        <div class="head">
            <div class="left"></div>
            <div class="right"></div>
        </div>
        
        <div class="search">
            <img src="./baidu.png" alt="">
            <input type="text">
        </div>
    </div>
</body>
</html>